From 9689c5ac08dc54df3b6529a59ffb1693ff2dff66 Mon Sep 17 00:00:00 2001
From: Lanyin Z <106770708+lanyinzly@users.noreply.github.com>
Date: Tue, 24 Sep 2024 11:12:23 -0400
Subject: [PATCH] Update ERC-7527: Update erc-7527.md

Merged by EIP-Bot.
---
 ERCS/erc-7527.md | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/ERCS/erc-7527.md b/ERCS/erc-7527.md
index 042dcbce31..0f53f4d4ef 100644
--- a/ERCS/erc-7527.md
+++ b/ERCS/erc-7527.md
@@ -143,6 +143,14 @@ interface IERC7527Agency {
      */
     function getStrategy() external view returns (address app, Asset memory asset, bytes memory attributeData);
 
+    /**
+     * @dev Returns the premium and fee of wrapping.
+     * @param data The data to encode to calculate the premium and fee of wrapping.
+     * @return premium The premium of wrapping.
+     * @return fee The fee of wrapping.
+     */
+    function getWrapOracle(bytes memory data) external view returns (uint256 premium, uint256 fee);
+
     /**
      * @dev Returns the premium and fee of unwrapping.
      * @param data The data to encode to calculate the premium and fee of unwrapping.
@@ -152,12 +160,10 @@ interface IERC7527Agency {
     function getUnwrapOracle(bytes memory data) external view returns (uint256 premium, uint256 fee);
 
     /**
-     * @dev Returns the premium and fee of wrapping.
-     * @param data The data to encode to calculate the premium and fee of wrapping.
-     * @return premium The premium of wrapping.
-     * @return fee The fee of wrapping.
+     * @dev OPTIONAL - This method can be used to improve usability and clarity of Agency, but interfaces and other contracts MUST NOT expect these values to be present.
+     * @return the description of the agency, such as how `getWrapOracle()` and `getUnwrapOracle()` are calculated.
      */
-    function getWrapOracle(bytes memory data) external view returns (uint256 premium, uint256 fee);
+    function description() public view returns (string);
 }
 ```
 
@@ -216,6 +222,8 @@ Token ID can be specified in `data` parameter of `mint` function.
 
 ### Factory Interface 
 
+OPTIONAL - This interface can be used to deploy App and Agency, but interfaces and other contracts MUST NOT expect this interface to be present.
+
 If a factory is needed to deploy bounded App and Agency, the factory SHALL implement the following interface:
 
 ```